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1、饱和蒸汽焓值计算公式（0-200 度）一阶拟合：Linear model Poly1:f(x) = p1*x + p2Coefficients (with 95% confidence bounds): p1 =1.569 (1.528, 1.61)p2 =2507 (2504, 2511)Goodness of fit:SSE: 3469R-square: 0.9916Adjusted R-square: 0.9914RMSE: 8.414Linear model Poly1:f(x) = p1*x + p2Coefficients (with 95% confidence bounds):
2、 p1 =1.67 (1.659, 1.682)p2 =2504 (2503, 2504)Goodness of fit:SSE: 252.6R-square: 0.9994Adjusted R-square: 0.9994RMSE: 2.271Linear model Poly1:f(x) = p1*x + p2Coefficients (with 95% confidence bounds): p1 =1.777 (1.765, 1.789)p2 = 2502 (2501, 2503)Goodness of fit:SSE: 295.6R-square: 0.9993Adjusted R-
3、square: 0.9993RMSE: 2.456二阶拟合：f(x) = pl*x2 + p2*x + p3Coefficients (with 95% confidence bounds):p1 =-0.002719(-0.002911, -0.002526)p2 =2.036(2.002, 2.071)p3 =2499(2498, 2500)Goodness of fit:SSE: 195.7R-square: 0.9995Adjusted R-square: 0.9995RMSE: 2.019过热蒸汽焓值计算：压力：1.0-4.6MP 温度:500-580h= 259 S-08+ 0-5
4、45264?-L?046- (0-394045- 222S55 f压力：2.5-4.7MP 温度:280-390h = 2475- 93 - 1- 315? - (-11-048 1-06S5 X 109r 3 3)F204- 0.(53705X119压力：0.65-1.40MP 温度：260-320h= 24-97- 24 + 1.45702- 4 (0. 0279415 - 2-75254 X 10 4 A9739) (1.54588 1.44SX10-紡有一个不分区的近似公式我还没验证h = 4 020S6466 69 + 0A7T10/3（专业文档资料素材和资料部分来自网络，供参考。可复制、编制，期待你的 好评与关注）
